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1992 Ford Ranger Pick-up Malfunction - Fuel System
Question: recently since cold weather truck has started ocasionaly backfire while trying to accelerate quickly.replaced plugs, wires, cap, and rotor.did not help.also when cold out temp gauge barely comes off cold.(but blows luke warm air)also on the way home this evening couldnt stop engine from idling up to 2000 rpm at traffic lights.(1st time its ever done this)1992 ranger 2.9 liter 5speed manual 4*4.noticed all promblems at a outside temp of 30degrees or lower
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Technican: Start by checking the coolant level and operation of thermostat. The thermostat is known to stick open, or open to soon...
Then check for troublecodes. And we'll go from there.
Owner: replaced thermostat.truck warms up nicely but still have the issues of backfire and exssive high idle 1800 to 2000 rpm.have no way to check for trouble codes?
Technican: Hi;
Sounds like a distributor module problem. Might want to change it out. But while you are there might want to also throw in a pick up coil. In other words a distributor rebuild is necessary. . Here's How To Get Guaranteed Solutions In Minutes
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